Reword introduction in configuration documentation

Change-Id: I428167c7929a077386e281f4898e8f4693c315f2

src/main/resources/Documentation/config.md

diff --git a/src/main/resources/Documentation/config.md b/src/main/resources/Documentation/config.md
index f93957d..1023f69 100644
--- a/src/main/resources/Documentation/config.md
+++ b/src/main/resources/Documentation/config.md
@@ -19,11 +19,11 @@
 Configuration
 -------------
 
-It is possible to change where this plugin looks for hooks, and what
-filenames it looks for by adding a `[hooks]` section to `gerrit.config`.
+The plugin is configured in a `[hooks]` section in the `gerrit.config` file
+in the site's `etc` folder.
 
-These configuration values are evaluated at plugin load. If the values are
-changed, the plugin must be reloaded for them to take effect.
+The configuration values are evaluated when the plugin is loaded. If the values
+are changed, the plugin must be reloaded for them to take effect.
 
 A hook may be temporarily disabled by either removing it or renaming it. Its
 behavior may be changed by replacing its content. Such changes will take